Janusz Marja Stefan Rogala Kaluski (1924–2010) was a sapper in the Polish Army who took part in the D-Day landings of World War II and who later won the Cross of Valour. In later life, Kaluski devoted himself to the philately of Poland, eventually becoming a Fellow of the Royal Philatelic Society London and donating his stamp collection of fifty years to the British Library Philatelic Collections in 2003.